Alert archive / North Carolina / Flash Flood Warnings in 2000

Flash Flood Warning 6, NWS Newport/Morehead City, NC

September 18, 2000Onslow County, North Carolina

NWS Newport/Morehead City, NC issued this flash flood warning at Sep 18, 2000, 3:19 PM EDT for Onslow County, North Carolina. It was in force for 56 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Sep 18, 2000, 3:19 PM EDT (19:19 UTC)
Expired
Sep 18, 2000, 4:15 PM EDT
In force
56 min
Issued by
NWS Newport/Morehead City, NC
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Onslow County, NC

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 7.3 hours before the alert went out and 78 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Newport, NC at 12:00Z on 2000-09-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 78 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Newport, NC at 12:00Z on 2000-09-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
78 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
699 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
174 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS52 KMHX 181920
FFWMHX
NCC133-182015-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEWPORT-MOREHEAD CITY NC
319 PM EDT MON SEP 18 2000

THE NATIONAL WEATHER SERVICE OFFICE IN NEWPORT HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ONSLOW COUNTY IN EASTERN NORTH CAROLINA

* UNTIL 415 PM EDT

* AT 319 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN OVER SOUTH CENTRAL PENDER COUNTY...MOVING NORTHEAST
  AT 20 MPH.

* FLOODING CAN BE EXPECTED IN AND AROUND
   NEW RIVER AIR STATION.
   JACKSONVILLE.
   HOLLY RIDGE.
   CATHERINE LAKE.
   RICHLANDS.

AN AREA OF THUNDERSTORMS PRODUCING HEAVY RAINS...IS SET TO CROSS 
OVER ONSLOW COUNTY AGAIN. SOME AREAS IN ONSLOW COUNTY HAVE ALREADY 
RECEIVED 3 TO 4 INCHES OF RAIN THIS AFTERNOON. ADDITIONAL RAINFALL 
OF 1 TO 2 INCHES IS POSSIBLE AS THE NEW STORMS PASS OVER THE REGION. 
THIS WILL AGGRAVATE EXISTING FLOODING...AND PRODUCE ADDITIONAL 
FLOODING. 

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK
HIGHER GROUND.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...AND HIGHWAYS. ADDITIONALLY...COUNTRY ROADS AND
FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER LOW LYING
AREAS ARE SUBJECT TO FLASH FLOODING.

PLEASE REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY FOR
RELAY TO THE NATIONAL WEATHER SERVICE.

NNNN

LAT...LON 3445 7794 3433 7778 3469 7727 3488 7750

08/13

The office that day

Everything else NWS Newport/Morehead City, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 18, 1:54 PM EDTFlash Flood WarningMHXOnslow81 min
Sep 18, 4:15 PM EDTFlash Flood WarningMHXOnslow3 hr
Sep 18, 4:27 PM EDTTornado WarningMHXCarteret, Craven33 min
Sep 18, 5:10 PM EDTFlash Flood WarningMHXCraven3 hr

Nearby

Flash Flood Warnings in North Carolina, 2000Every flash flood warning in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.